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Kay [80]
3 years ago
8

A student spends 17/35 of his pocket money on transport and fruits. He spends 5/6 of the remainder on sweets. What fraction of h

is pocket money does he spend on sweets?
Mathematics
1 answer:
Mashutka [201]3 years ago
6 0

Answer: 3/7 is the pocket money he spends on sweets

Step-by-step explanation:

Let the amount student spends be x

He spends 17/35x on transport and fruits

He spends 5/6 (x - 17/35x) on sweets

5/6 * (x -17/35x)

5/6 * 18/35x

= 3/7x

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Find the probability of the following events , when a dice is thrown once:
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Answer:

Step-by-step explanation:

s a die is rolled once, therefore there are six possible outcomes, i.e., 1,2,3,4,5,6.

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i.e., n(A)=3

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(ii) Since, a pair of dice is thrown once, so there are 36 possible outcomes. i.e.,

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(b) Let A be an event ''a total of 10n. Favourable cases for total of 10 are (6,4), (4,6), (5,5).

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P(A)=n(A)n(S)=336=112

(c) Let A be an event ''the same number of the both the dice''. Favourable cases for same number on both dice are (1,1), (2,2), (3,3), (4,4), (5,5), (6,6).

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P(A)=n(A)n(S)=436=19

(iii) We have, n(S) = 36

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